ZHCSDG5A February 2015 – March 2015 TPS92512 , TPS92512HV
PRODUCTION DATA.
- 1 特性
- 2 应用范围
- 3 说明
- 4 简化电路原理图
- 5 修订历史记录
- 6 Pin Configuration and Functions
- 7 Specifications
-
8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3
Feature Description
- 8.3.1 Undervoltage Lockout and Low Power Shutdown (UVLO Pin)
- 8.3.2 Adjustable Switching Frequency (RT/CLK Pin)
- 8.3.3 Synchronizing the Switching Frequency to an External Clock (RT/CLK Pin)
- 8.3.4 Adjustable LED Current (IADJ and ISENSE Pins)
- 8.3.5 PWM Dimming (PDIM Pin)
- 8.3.6 External Compensation (COMP Pin)
- 8.3.7 Overcurrent Protection
- 8.3.8 Overtemperature Protection
- 8.4 Device Functional Modes
-
9 Application and Implementation
- 9.1 Application Information
- 9.2 Typical Application
- 9.3 Design Requirements
- 9.4
Detailed Design Procedure
- 9.4.1 Standard Component Selection
- 9.4.2 Calculate UVLO Resistor Values
- 9.4.3 Calculate the RT Resistor Value (RRT)
- 9.4.4 Calculate the ISENSE Resistor Value (R(ISENSE))
- 9.4.5 Calculate the Inductor Value and Operating Parameters (L)
- 9.4.6 Calculate the Minimum Input Capacitance and the Required RMS Current Rating (CIN)
- 9.4.7 Calculate the Output Capacitor Value (COUT)
- 9.4.8 Calculate the Diode Power Dissipation (D)
- 9.5 Application Curves
- 10Power Supply Recommendations
- 11Layout
- 12器件和文档支持
- 13机械封装和可订购信息
12 器件和文档支持
12.1 相关链接
以下表格列出了快速访问链接。 范围包括技术文档、支持与社区资源、工具和软件，并且可以快速访问样片或购买链接。
12.2 商标
PowerPAD is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
12.3 静电放电警告
这些装置包含有限的内置 ESD 保护。 存储或装卸时，应将导线一起截短或将装置放置于导电泡棉中，以防止 MOS 门极遭受静电损伤。